import SwiftUI
import SpriteKit
struct ContentView: View {
var scene: SKScene {
let scene = GameScene()
scene.size = CGSize(width: 400, height: 700)
scene.scaleMode = .fill
return scene
}
var body: some View {
SpriteView(scene: scene)
.frame(width: 400,height: 700)
.ignoresSafeArea()
}
}
class GameScene: SKScene{
var boxes: [SKShapeNode] = []
var lastUpdateTime: TimeInterval?
override func didMove(to view: SKView) {
view.preferredFramesPerSecond = 60
physicsBody = SKPhysicsBody(edgeLoopFrom: frame)
}
override func touchesBegan(_ touches: Set, with event: UIEvent?) {
guard let touches = touches.first else {return}
let location = touches.location(in: self)
let box = SKShapeNode(circleOfRadius: 5)
box.fillColor = .brown
box.position = location
box.physicsBody = SKPhysicsBody(circleOfRadius: 10)
box.physicsBody?.affectedByGravity = false
let magneticField = SKFieldNode.radialGravityField()
magneticField.strength = 1000
magneticField.falloff = 1.0
magneticField.region = SKRegion(radius: 10)
magneticField.physicsBody = box.physicsBody
magneticField.position = box.position
addChild(box)
boxes.append(box)
}
override func update(_ currentTime: TimeInterval) {
// Calculate time since last update
let deltaTime = currentTime - (lastUpdateTime ?? currentTime)
// Update game state based on time since last update
updateGameState(deltaTime: deltaTime)
// Store the current time as the last update time
lastUpdateTime = currentTime
}
private func updateGameState(deltaTime: TimeInterval) {
// Update game state based on time since last update
for box in boxes {
let dx = CGFloat.random(in: -50...50)
let dy = CGFloat.random(in: -50...50)
let randomMovement = SKAction.move(by: CGVector(dx: dx, dy: dy), duration: 1.0)
// Check if box is beyond screen edges
let screenBounds = UIScreen.main.bounds
let minX = screenBounds.minX + box.frame.width/2
let maxX = screenBounds.maxX - box.frame.width/2
let minY = screenBounds.minY + box.frame.height/2
let maxY = screenBounds.maxY - box.frame.height/2
box.run(randomMovement)
if box.position.x < minX {
box.position.x = minX
}else if box.position.x > maxX - 35 {
box.position.x = maxX - 35
} else if box.position.y < minY + 10 {
box.position.y = minY + 10
}else if box.position.y > maxY - 240 {
box.position.y = maxY - 240
}
}
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
